INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a1c3424829088a343a6421eb6ff424fa0205fb0818b627d0460d16a6c11a1e19', 
    '75CH3EOhgnnsZWwR3d5hs3w42/D1hwLpXMMi3I7LKsY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00041

Result

int(1)