UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'MILh9DFEx1UcQP4ehKD6AHSb0HMDCK/S4rFFfSmNV7M=' 
WHERE 
  key_id = 'accc6606c8a56abdb8913c5c8a18c382952162019cd794654546bfc74b8da034' 
  AND (
    token = 'MILh9DFEx1UcQP4ehKD6AHSb0HMDCK/S4rFFfSmNV7M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00024