INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51ecc3829da65022eb63a8a08fdb2d214a53f0404c1d0b5d43626523683c342e', 
    'P7BFqJtfSNcGhKW+31bEdUq2aCBcDmtnu7q4s7iAPa0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)