Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '13229d401b3df67140f3b6951f7106d8f65b732ee0f3e2414c3ffe7c14ab8a0f' 
  AND token = '6q5/JEXL64JPKiHfR56cj8/ed3fWI263RsvmgCPkthw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00020

JSON explain

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