INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '15911dc4bd120d87e1bcfdbad2abaa85023a44dce023245b11915bbe4d03b1a0', 
    'QTwK7ld8VXUDtUWi8FJVQ241dqLNE7g/3BwRI+eEiMI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)