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SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '2e0b061eb37e78706fc52c9ec8dbf08bf8cc88fecdf9e33439ef6615d35214bc' 
  AND token = 'm0DGE+tCUBBFcy0yc86uMHQ6kybvePBHaVjwZOOt2uc=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00014

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}