UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TH6o0RyeOPfxjm3rBYLRb5+ebmm3hcpkH+UDvJHPByA=' 
WHERE 
  key_id = '3b806dad4d62d68b69eaba26343ad2d0fd5d19902360515c36a0812d4a191962' 
  AND (
    token = 'TH6o0RyeOPfxjm3rBYLRb5+ebmm3hcpkH+UDvJHPByA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )