INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '873c75670e342e32a5f2d79c8f143e163a55f202b09c9a59ece995c257f7f94e', 
    '5hD2J5lRJSPMF2A4m7Ymejh+Tjjv0Tf/Xz1r1sQIM1w=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)