INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '15d420f98a6cd7ed613102d81cb784f2e2fc952e11ea09aa5b5226bd99e3a963', 
    'z4JcZfHE5fJm5BY0/6eLypcPW+qH6jbLdiUbsukzDW8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)