INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21061b2e917cd3c773c02a21bfb2d14993b8183ae3c8f694b0093700933aa1ce', 
    'SEar8JB+lTFKNngToW7iWybJfYF5/ArbIo2kqqTNdjU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)