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SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '07ce7a7e210ad0bd14226aa078e919e9facdd08440750f572cd42615195ba2cd' 
  AND token = 'WIJ8eOJIin8VgOeOLw7JWWdzBS+Oz6AiL2VdtnX3Ir0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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