INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6d51b4b7b2097f384f27a059a3047a7e7419e5a2b081b1cd1dcaa283d4724cab', 
    'sc+Js0pclJcR7y8Kx8r6FCALbXifZP68kFPyIn3msXc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)