INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '388d3628145500d27d200c52abca0a398f6197962580f7c06f78d010959a1184', 
    'S2zoE4uFDBnLNE828OoWSjPSBZutP7MEWcOV79uV/NQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)