UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'erSDoyBwXTk9LTyLkIQld2vkeoiW7SXKpmDPSUkmHhE=' 
WHERE 
  key_id = 'a51d27d322201606df2663d25e363167eaf41a391dac2a7a25b7bc1ed6624b0c' 
  AND (
    token = 'erSDoyBwXTk9LTyLkIQld2vkeoiW7SXKpmDPSUkmHhE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )