INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'd0e83915e64fd0edc7ecb55b6169097344097d7029bf0511274bd9f6e14d9ee0', 
    'u31cTq20pjILObjrLPqfbQpB9DRlTLHtNZ14hJDV3Zw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)