INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '275dfc0a53634be6634618e23a51a1031cb43726058f1a5279b09e5844ec096a', 
    'SQn8vkbZABGDypwkNj7GEaGoh1rV3NZjyBosj8Si6XY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)