UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tkh4JKdGN9t5egJxqTqblDc2gID0eE+2gAczo93cDFQ=' 
WHERE 
  key_id = 'b495549965966da4bd74d9989279d47e037021e74cd3c65604b1720a8ee0d16c' 
  AND (
    token = 'tkh4JKdGN9t5egJxqTqblDc2gID0eE+2gAczo93cDFQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )