UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'W3edhPktgAG8B77SW5uHR7NX7qKHoGB4I6761OTgV+c=' 
WHERE 
  key_id = '39df7afcf845b0e65577ff62cf676b826cb466dd90e4b7084e1828ab78947c33' 
  AND (
    token = 'W3edhPktgAG8B77SW5uHR7NX7qKHoGB4I6761OTgV+c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00046