INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b21e50572beece47a6ee9233de2c978aace8e411768d2d40e37dbba1174bf53d', 
    'ivA+u2ksXm6PZGkjlP7Gb8E+Qkjpr9Ls79kJNm4yYck=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)