INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c3c6a75b4c8456d47d96cacb834577443ed1e1149e519e35a58a43b3ab029f2d', 
    'JRvEeBMxK06USCdIWU7Mxt49QovgJ6ouONJW8N2bumQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)